49 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Athol: Old Glory Solar, CR Score 62/100; 5.0★ from 30 Google reviews; open 24/7.
Best for emergencies (open 24/7): On Call Electric, posts 24/7 hours; ranked #15 of 49.
Most-reviewed: Bergeron Mechanical Systems, 521 Google reviews at 5.0★, the most of 49 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
49 Athol solar installers are ranked here by CR Score, from ten published factors. 4 are open 24/7, 21 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.9★ across 49 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Old Glory Solar | 62 | 5.0★ (30) | Athol | 24/7 | Overall |
| 2 | Boundless, Inc. | 60 | 4.8★ (464) | Marlborough, 37 mi away | Sat · Sun | — |
| 3 | Trinity Solar | 56 | 4.4★ (339) | Holyoke, 33 mi away | Sat · Evenings | — |
| 4 | Valley Solar | 56 | 4.9★ (201) | Easthampton, 32 mi away | — | — |
| 5 | Northeast Solar | 55 | 5.0★ (94) | Amherst, 26 mi away | — | — |
| 6 | PV Squared Solar | 55 | 4.9★ (70) | Greenfield, 19 mi away | — | — |
| 7 | Insight Energy Systems - Insight Solar | 55 | 4.8★ (115) | Amherst, 24 mi away | — | — |
| 8 | Sunrun Solar | 55 | 4.1★ (239) | Shrewsbury, 35 mi away | Sat · Sun | — |
| 9 | Sun Team | 55 | 4.9★ (18) | Ashburnham, 29 mi away | Sat · Sun · Evenings | — |
| 10 | Golden Group Roofing & Solar | 55 | 4.9★ (174) | Grafton, 37 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar energy company”.
Based in Marlborough, 37 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 464 Google reviews, listed on Google as “Solar energy company”.
Based in Holyoke, 33 mi away
Ranked #3 because of its Google rating and trade focus: 4.4★ from 339 Google reviews, listed on Google as “Solar energy company”.
Based in Easthampton, 32 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Solar energy system service”.
Based in Amherst, 26 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Solar energy company”.
Based in Greenfield, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Solar energy company”.
Based in Amherst, 24 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 115 Google reviews, listed on Google as “Solar energy company”.
Based in Shrewsbury, 35 mi away
Ranked #8 because of its Google rating and trade focus: 4.1★ from 239 Google reviews, listed on Google as “Solar energy company”.
Based in Ashburnham, 29 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based in Grafton, 37 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 174 Google reviews.
Based in Ludlow, 32 mi away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 96 Google reviews, listed on Google as “Solar energy company”.
Based in Worcester, 31 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 100 Google reviews, listed on Google as “Solar energy company”.
Based in Northampton, 23 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based in Marlborough, 38 mi away
Ranked #14 because of its Google rating and trade focus: 4.0★ from 198 Google reviews, listed on Google as “Solar energy company”.
Based in Marlborough, 38 mi away
Ranked #15 because of its Google rating and review volume: 5.0★ from 164 Google reviews.
Based in Clinton, 29 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Solar energy company”.
Based in Sterling, 24 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Solar energy system service”.
Based in Ashburnham, 27 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Solar energy company”.
Based in Keene, 23 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 521 Google reviews, the most in Athol.
Based in Marlborough, 39 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Solar energy company”.
Based in Leominster, 25 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based in Chicopee, 33 mi away
Ranked #22 because of its Google rating and trade focus: 3.6★ from 130 Google reviews, listed on Google as “Solar energy company”.
Based in Milford, 35 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based in Hudson, 37 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 105 Google reviews.
Based in Greenfield, 19 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy system service”.
#1 to #25 are shown in full above. Here are #26 to #49, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Al & son's LLC | 51 | 5.0★ (11) | 26 mi |
| 27 | Current Energy | 51 | 5.0★ (6) | 18 mi |
| 28 | Solar Medix - Solar Maintenance | 51 | 5.0★ (26) | 39 mi |
| 29 | SunRite Solar | 50 | 5.0★ (20) | 37 mi |
| 30 | Modern Energy | 50 | 4.9★ (181) | 29 mi |
| 31 | East Coast Renewable Energy, LLC | 50 | 5.0★ (19) | 38 mi |
| 32 | Earthlight Technologies | 50 | 5.0★ (9) | 28 mi |
| 33 | Bluebird Sky Solar | 49 | 5.0★ (7) | 40 mi |
| 34 | SunRun Solar | 48 | 1.0★ (6) | 27 mi |
| 35 | K & M Electric Solutions | 48 | 4.6★ (10) | 38 mi |
| 36 | New England Solar Electric | 47 | 4.0★ (4) | 39 mi |
| 37 | Solar Consulting Inc | 47 | 3.7★ (3) | 34 mi |
| 38 | New England Energy Experts | 47 | 5.0★ (30) | 34 mi |
| 39 | Finray Solar | 47 | 5.0★ (3) | 31 mi |
| 40 | New England Clean Energy | 47 | 5.0★ (5) | 40 mi |
| 41 | Blackout Energy | 46 | 4.0★ (4) | 35 mi |
| 42 | Integrated Solar | 46 | 5.0★ (8) | 25 mi |
| 43 | Wattson Home Solutions | 46 | 4.3★ (110) | 32 mi |
| 44 | KZS Electrical & Solar LLC | 46 | 5.0★ (4) | 32 mi |
| 45 | Solar City ~ Tesla | 44 | 3.3★ (7) | 38 mi |
| 46 | Heritage Heating and Solar Inc. | 43 | 2.3★ (3) | 38 mi |
| 47 | Aurai Home | 43 | 4.4★ (7) | 38 mi |
| 48 | Green Earth Roofing Solutions LLC | 42 | 5.0★ (7) | 33 mi |
| 49 | M.L. Schmitt Electric, Inc. | 40 | 3.3★ (3) | 37 mi |
20 more solar installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Alex Valley Electrician | 5.0★ (2) | 12 mi |
| All Sun Solar Products | 31 mi | |
| Brattleboro Solar Management | 5.0★ (1) | 25 mi |
| Careful Solar | 28 mi | |
| Domestic DC Systems | In Athol | |
| Edison Energy Consultants LLC | 5.0★ (2) | In Athol |
| Energy Saver Enablers, LLC | 5.0★ (1) | 18 mi |
| Gadarowski Roofing & Construction Inc | 5.0★ (100) | In Athol |
| Luminous Energy | 5.0★ (2) | 36 mi |
| Luminous Energy | 5.0★ (1) | 39 mi |
| Onlysolar Diagnostic | 5.0★ (1) | 17 mi |
| Relay Power | 4.0★ (2) | 37 mi |
| Solar Connect Local | 23 mi | |
| SolarGuru Energy | 24 mi | |
| Spartan Solar | 5.0★ (2) | 9 mi |
| Spartan Solar | 5.0★ (1) | 19 mi |
| SunRun Inc | 5.0★ (1) | 35 mi |
| Valley Solar Works | 18 mi | |
| Vikram Solar US Inc. | 5.0★ (1) | 38 mi |
| Zahns Energy | 30 mi |
Typical prices in USD, adjusted for Massachusetts with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $28,990 | $32,790 | $35,670 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.05 New England factor (2025 Cost vs. Value Report) | October 2026 |
We scored 49 Athol solar installers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Athol data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |